Our Data Sources
20, Heol Ffynnon, Llanelli has no records in the Land Registry and a single entry in the EPC database dated December 2022.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 20, Heol Ffynnon, Llanelli would be worth £103,283, with a potential rental value of £712 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £91,479, with a rental value of £631 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Heol Ffynnon, Llanelli occupies a 195 m2 plot as recorded by HM Land Registry.
All 20 other houses in this postcode have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
20, Heol Ffynnon, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Dec 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 64 sales of comparable properties within 610 metres of 20, Heol Ffynnon, Llanelli since 2012.
Most recently, 69, Llewellyn Street, Llanelli, SA15 1BD, a freehold house, sold at £105,000 on the 4th November 2025.
Read more about house prices in SA15.
- Sold Nov 2025£105,000 | 3 Bed House69, Llewellyn Street, Llanelli, SA15 1BD69, Llewellyn Street, Llanelli, SA15 1BD
- Sold Jul 2025£77,000 | 3 Bed House71, Llewellyn Street, Llanelli, SA15 1BD71, Llewellyn Street, Llanelli, SA15 1BD
- Sold Apr 2025£95,000 | 3 Bed House24, Martin Road, Llanelli, SA15 1PU24, Martin Road, Llanelli, SA15 1PU
- Sold Feb 2025£80,000 | 3 Bed House21, Mansel Street, Llanelli, SA15 1DA21, Mansel Street, Llanelli, SA15 1DA
- Sold Dec 2024£85,000 | 3 Bed House59, Llewellyn Street, Llanelli, SA15 1BD59, Llewellyn Street, Llanelli, SA15 1BD
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £105,275, ranging from £92,912 to £118,070.
- 18 Heol Ffynnon
3 Bed House | 6 m | Est. Value: £98,364
- 24 Heol Ffynnon
3 Bed House | 11 m | Est. Value: £103,842
- 14 Heol Ffynnon
3 Bed House | 15 m | Est. Value: £99,062
- 26 Heol Ffynnon
3 Bed House | 21 m | Est. Value: £100,332
- 25 Grant Street
3 Bed House | 25 m | Est. Value: £114,623
Location Comparison
Our analysis of the public data ranks 20, Heol Ffynnon, Llanelli as the 12th largest and the 12th most expensive of the 32 addresses on Heol Ffynnon, Llanelli, SA15.
Against the SA15 postcode district average, it is £92k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanelli|900 m away
- Bynea|3.5 km away
- Llangennech|5.1 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












